Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4913572 | Reloadable ribbon cassette for typewriters or office machines of similar construction | Rolf Behrens, Hermann Jendricke, Manfred Sauer, Alfred Keiter, Andreas Wesselhoft +2 more | 1990-04-03 |
| 4859097 | Ribbon cartridge for typewriters or similar office machines | — | 1989-08-22 |
| 4780010 | Ribbon spools for a reloadable cassette for a typewriter or similar office machine | Rolf Behrens, Hermann Jendricke, Manfred Sauer, Alfred Keiter, Andreas Wesselhoft +2 more | 1988-10-25 |
| 4756635 | Dog clutch between a drive mechanism and a ribbon cartridge | — | 1988-07-12 |
| 4577200 | Cassette for the ink jet printer of an office machine | Albert Rix, Horst Martens, Dieter Drogi, Wolfgang Leschik | 1986-03-18 |
| 4496959 | Coupling for the leakage-free connection of fluid-filled pipes and containers | — | 1985-01-29 |